diff --git a/phpstan/config.neon b/phpstan/config.neon
index 7a489a9b0..9066fb63b 100644
--- a/phpstan/config.neon
+++ b/phpstan/config.neon
@@ -16,17 +16,6 @@ parameters:
 
         # ion cube is not installed
         - '~^Function ioncube_loader_\w+ not found\.$~'
-        # rar is not installed
-        - '~^Call to static method open\(\) on an unknown class RarArchive\.$~'
-        # imagick is not installed
-        - '~^Instantiated class Imagick not found\.$~'
-        # windows specific constants
-        -
-            message: '~^Constant PHP_WINDOWS_VERSION_MAJOR not found\.$~'
-            path: '*/src/Composer/Downloader/PathDownloader.php'
-        -
-            message: '~^Constant PHP_WINDOWS_VERSION_MINOR not found\.$~'
-            path: '*/src/Composer/Downloader/PathDownloader.php'
 
         # variables from global scope
         - '~^Undefined variable: \$vendorDir$~'
@@ -35,6 +24,9 @@ parameters:
         # variable defined in eval
         - '~^Undefined variable: \$res$~'
 
+        # erroneous detection of missing const, see https://github.com/phpstan/phpstan/issues/2960
+        - '~^Access to undefined constant ZipArchive::LIBZIP_VERSION.$~'
+
         # we don't have different constructors for parent/child
         - '~^Unsafe usage of new static\(\)\.$~'
 
diff --git a/src/Composer/DependencyResolver/PoolBuilder.php b/src/Composer/DependencyResolver/PoolBuilder.php
index 420e75786..4df8b2b83 100644
--- a/src/Composer/DependencyResolver/PoolBuilder.php
+++ b/src/Composer/DependencyResolver/PoolBuilder.php
@@ -279,9 +279,9 @@ class PoolBuilder
                         $loadNames[$replace] = null;
                         // TODO should we try to merge constraints here?
                         $this->nameConstraints[$replace] = null;
-                    } elseif (!$request->getUpdateAllowTransitiveRootDependencies() && $this->isRootRequire($request, $replace) && !isset($this->updateAllowWarned[$require])) {
+                    } elseif (!$request->getUpdateAllowTransitiveRootDependencies() && $this->isRootRequire($request, $replace) && !isset($this->updateAllowWarned[$replace])) {
                         $this->updateAllowWarned[$replace] = true;
-                        $this->io->writeError('<warning>Dependency "'.$require.'" is also a root requirement. Package has not been listed as an update argument, so keeping locked at old version. Use --with-all-dependencies to include root dependencies.</warning>');
+                        $this->io->writeError('<warning>Dependency "'.$replace.'" is also a root requirement. Package has not been listed as an update argument, so keeping locked at old version. Use --with-all-dependencies to include root dependencies.</warning>');
                     }
                 }
             }